TB521-ETH 1SAP112100R0170 ABB AC500 Terminal Base
TB521-ETH 1SAP112100R0170 ABB AC500 Terminal Base
TB521-ETH 1SAP112100R0170 ABB AC500 Terminal Base
ABB

TB521-ETH 1SAP112100R0170 ABB AC500 Terminal Base

SKU: 1SAP112100R0170
Categories : ABB
In Stock
  • Dimensions: 12.7 x 15.2 x 27.9 cm
  • Country of origin: Sweden
  • Payment: T/T, Western Union
  • Shipping port: Xiamen
1 years warranty
Delivery time: 3-7 business days
Free 30 days return

Help

If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.

Customer service

All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com

Sale & Press

If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com

The ABB TB521-ETH 1SAP112100R0170 serves as the primary TB521-ETH Terminal Base utilized to execute physical module mounting and backplane bus interconnection across AC500 automation platforms.

Slot Allocation & Interface Matrix

  • TB521-ETH: Base hardware variant designated for CPU and communication slot integration with Ethernet routing.
  • 1SAP112100R0170: Factory part number identifying standard AC500 terminal base production hardware.
  • 2 Expansion Slots: Accommodates standard AC500 CPU modules and dedicated communication network interfaces.
  • Integrated Serial & Ethernet: Combines Ethernet TCP/IP networking with 2 RS232/RS485 serial ports for programming and host CPU communication.

Physical & Electrical Data

Parameter Specification
Model TB521-ETH (1SAP112100R0170)
Brand ABB
Origin Sweden
Weight 0.35 kg
Shipping Dimensions 12.7 x 15.2 x 27.9 cm
Product Type Terminal Base
Series AC500
Number of Slots 2 Slots
Communication Interfaces Ethernet TCP/IP, 2 x Serial (RS232/RS485)
Operating Voltage 24 VDC
Operating Temp 0 to +60 deg C
Storage Temperature -40 to +70 deg C
Mounting Type 35 mm DIN rail or direct panel mount
Tariff Code 8537101190

Deterministic Network & Backplane Architecture

The unit establishes high-speed internal signal routing to maintain backplane bus communication velocity Licences across connected processing nodes. Integrated Ethernet channels interface with Profinet and EtherNet/IP deterministic networks, while full firmware flash compatibility on installed processor units prevents data transfer packet loss.

Delivery Package Itemization

  • 1 x ABB TB521-ETH (1SAP112100R0170) Terminal Base Unit
  • 1 x Anti-Static Protective Enclosure
  • 1 x Standard Hardware Assembly Sheet

Enclosure Mounting & Wiring Procedures

Mechanical Assembly Guidelines

  • Mount the base unit onto a standard 35 mm DIN rail or secure directly to a metallic backplate using screw fasteners.
  • Verify clean mechanical engagement of side expansion connectors before locking adjacent I/O bus modules.

Field Power & Serial Wiring

  • Connect external 24 VDC supply wiring to the designated power terminals using properly sized conductors.
  • Use shielded twisted-pair cables for RS232/RS485 and Ethernet connections, clamping cable shields directly to the cabinet ground plane.

Technical Support FAQ

  • Can processor modules plugged into the TB521-ETH base be hot-swapped during operation?

    No, input 24 VDC power must be completely isolated before installing or removing CPU modules from the base slots.

  • What voltage level must be supplied to the main power terminals?

    The terminal base requires a continuous auxiliary operating voltage of 24 VDC for backplane distribution.

  • How many total module slots are provided on this terminal base?

    The base provides 2 dedicated slots to house a CPU module and an expansion communication interface.

  • What physical communication interfaces are accessible directly on the unit?

    The board provides 1 Ethernet TCP/IP port along with 2 configurable RS232/RS485 serial channels.

  • What mounting methods are supported for cabinet panel assembly?

    The chassis supports standard 35 mm DIN rail mounting as well as direct panel screw mounting.

  • What are the rated ambient operating temperature limits?

    The unit functions continuously within an operating temperature window of 0 deg C to +60 deg C.

  • What storage conditions are specified for inactive equipment?

    Store the base unit inside its protective electrostatic packaging between -40 deg C and +70 deg C.

  • What certifications apply to this terminal base hardware?

    The component holds official industrial approvals including CE, C-Tick, and KCC certifications.

Shipping & Returns

Shipping

  • Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
  • Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
  • Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
  • Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.

Returns

  • 30-Day Window: Request a return within 30 days of receipt for eligible items.
  • Condition: Items must be in their original, factory-sealed condition with all tags.
  • Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
  • Fast Refunds: Approved refunds are processed to your original payment method within 10 days.

Shipping & Returns

Shipping

  • Emergency Dispatch: Same-day shipping for in-stock orders placed before 2:00 PM (GMT+8).
  • Premium Carriers: Reliable global delivery via DHL, FedEx, and UPS to 150+ countries.
  • Flexible Options: We support shipping via your own carrier account (DHL/FedEx/UPS).
  • Industrial Packaging: Professional ESD protection and reinforced shock-absorbent packaging.

Returns

  • 30-Day Window: Request a return within 30 days of receipt for eligible items.
  • Condition: Items must be in their original, factory-sealed condition with all tags.
  • Hassle-Free Process: Contact sales@maxwellplc.com for a return label and instructions.
  • Fast Refunds: Approved refunds are processed to your original payment method within 10 days.

Warranty

Warranty

  • 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
  • Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
  • Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
  • Peace of Mind: Long-term reliability support for all your mission-critical automation parts.

Warranty

Warranty

  • 12-Month Guarantee: A comprehensive one-year warranty covers all functional defects.
  • Authenticity: Every part is guaranteed 100% original, brand-new, and genuine.
  • Expert Support: Dedicated technical assistance to verify and resolve any hardware issues.
  • Peace of Mind: Long-term reliability support for all your mission-critical automation parts.

Secure Payment

Secure Payment

  • Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
  • Local Friendly: RMB transfers are accepted if you have a local agent in China.
  • Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
  • Data Safety: All transactions are processed through encrypted and secure banking channels.


Secure Payment

Secure Payment

  • Flexible T/T: 100% T/T for stock items; 30% deposit / 70% balance for lead-time orders.
  • Local Friendly: RMB transfers are accepted if you have a local agent in China.
  • Best Price: Our Best Price Guarantee ensures you get the most competitive market rates.
  • Data Safety: All transactions are processed through encrypted and secure banking channels.


You may also like

From our blog

Latest News and Insights

2026 Industrial Machine Tool Industry Chain High-Quality Development Conference Held in Wuzhen
Oct 14, 2026
Maxwell
2026 Industrial Machine Tool Industry Chain High-Quality Development Conference Held in Wuzhen
The 2026 Industrial Machine Tool Industry Chain High-Quality Development Conference opened September 29 in Wuzhen,...
Read More
CITIC Heavy Industries Deploys AI-Powered Roll Surface Monitoring System for Mining Equipment
Oct 14, 2026
Maxwell
CITIC Heavy Industries Deploys AI-Powered Roll Surface Monitoring System for Mining Equipment
CITIC Heavy Industries has deployed an AI-powered roll surface monitoring system at Luoyang Molybdenum's mining...
Read More
Qinghai 1GW PV CSP Hybrid Project Successfully Connected to Grid
Oct 13, 2026
Maxwell
Qinghai 1GW PV CSP Hybrid Project Successfully Connected to Grid
On October 1, 2026, China's renewable energy sector reached another milestone as the Qinghai Gonghe...
Read More
AUTOMA 2026 Oil Gas Automation and Digitalisation Congress Opens October 5-6 Amsterdam
Oct 13, 2026
Maxwell
AUTOMA 2026 Oil Gas Automation and Digitalisation Congress Opens October 5-6 Amsterdam
When the global oil and gas industry gathers in Amsterdam next week for AUTOMA 2026,...
Read More
Liancheng Technology to Showcase Full-Stack Domestic Alternative at CIIF 2026
Oct 12, 2026
Maxwell
Liancheng Technology to Showcase Full-Stack Domestic Alternative at CIIF 2026
When the 26th China International Industry Fair opens its doors in Shanghai on October 12,...
Read More
China's First Domestic Variable-Speed Pumped Storage Unit Main Body Installation Completed
Oct 12, 2026
Maxwell
China's First Domestic Variable-Speed Pumped Storage Unit Main Body Installation Completed
On October 1, 2026, China achieved a significant breakthrough in energy storage technology as the...
Read More
2026 PLC DCS Deep Dive Domestic Medium-Large PLC Market Share Breaks 35 Percent
Oct 12, 2026
Maxwell
2026 PLC DCS Deep Dive Domestic Medium-Large PLC Market Share Breaks 35 Percent
The numbers from China's industrial automation market in 2026 tell a story of fundamental transformation....
Read More
China Intelligent Technology Empowers Global South
Oct 11, 2026
Maxwell
China Intelligent Technology Empowers Global South Mining Development
China's mining intelligence technologies are gaining international recognition as countries across the Global South seek...
Read More
Luliang Builds 62 Intelligent Coal Mines with 678 Positions Achieving Unmanned Operation
Oct 11, 2026
Maxwell
Luliang Builds 62 Intelligent Coal Mines with 678 Positions Achieving Unmanned Operation
The city of Luliang in Shanxi Province has emerged as a showcase for the transformation...
Read More
2026 Hefei International New Energy Vehicle Exhibi
Oct 11, 2026
Maxwell
2026 Hefei International New Energy Vehicle Exhibition Opens September 30
The 2026 Hefei International New Energy Vehicle Exhibition opened on September 30 at the Hefei...
Read More